Home / 664,675,335.81-996,121,801.08-517,300,854.30

Finding the Fourth Proportional to 664,675,335.81, 996,121,801.08 and 517,300,854.30

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Solution

The fourth proportional to 664,675,335.81, 996,121,801.08 and 517,300,854.30 is: 775,257,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,675,335.81 : 996,121,801.08 = 517,300,854.30 : x
  2. Step 2: Convert to fraction form
    664,675,335.81/996,121,801.08 = 517,300,854.30/x
  3. Step 3: Cross multiply
    664,675,335.81x = 996,121,801.08 × 517,300,854.30
  4. Step 4: Simplify right side
    664,675,335.81x = 515,294,658,685,538,688
  5. Step 5: Solve for x
    x = 515,294,658,685,538,688/664,675,335.81
  6. Step 6: Final answer
    x = 775,257,679.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.